Apparatus and method for providing a gray scale capability...

Details Apparatus and method for providing a gray scale capability... Apparatus and method for providing a gray scale capability...

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G09G 3/36 (2006.01) G02F 1/13 (2006.01) G02F 1/1333 (2006.01) G02F 1/1362 (2006.01) H04N 3/12 (2006.01) G02F 1/1343 (2006.01)

Patent

CA 1328318

ABSTRACT A liquid crystal display is described that includes gray scale capability. Each pixel of the display is subdivided into a plurality of subpixels. Each subpixel includes an effective capacitor, with the liquid crystal material contained between the effective capacitor plates, and includes a control capacitor coupled in series with the effective capacitor. By controlling the capacitance of the control capacitors of the subpixels, selected subpixels can be activated as a function of the voltage applied across the capacitor. By controlling the number of subpixels that are activated by the applied voltage, a gray scale capability can be provided for a liquid crystal display.

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